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Rifles, Reloading, Optics, Equipment
Reloading
6.5prc Load data and which powder for lighter weight bullets?
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<blockquote data-quote="Deleted member 107796" data-source="post: 2208584"><p>Sorry, forget the comparison, what I meant was, even if case capacity is identical, powder ignition will be different from a short stubby, to a standard LA case, even if subtle, there will be a difference. I tried to find a more graphical chart to show this but this quote from an article (<a href="https://www.rifleshootermag.com/editorial/the-truth-about-ballistic-efficiency/83495" target="_blank">https://www.rifleshootermag.com/editorial/the-truth-about-ballistic-efficiency/83495</a>) sums it up:</p><p></p><p>"Improved airflow efficiency and a large diameter powder column make these cartridges more efficient," Stock said. "A short, fat powder column is so near the primer that you are getting more burn before the bullet leaves the case."</p><p></p><p>As to powders, so far N-565 and N-560 are mentioned... isn't N-570 in there as well?</p></blockquote><p></p>
[QUOTE="Deleted member 107796, post: 2208584"] Sorry, forget the comparison, what I meant was, even if case capacity is identical, powder ignition will be different from a short stubby, to a standard LA case, even if subtle, there will be a difference. I tried to find a more graphical chart to show this but this quote from an article ([URL]https://www.rifleshootermag.com/editorial/the-truth-about-ballistic-efficiency/83495[/URL]) sums it up: "Improved airflow efficiency and a large diameter powder column make these cartridges more efficient," Stock said. "A short, fat powder column is so near the primer that you are getting more burn before the bullet leaves the case." As to powders, so far N-565 and N-560 are mentioned... isn't N-570 in there as well? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
6.5prc Load data and which powder for lighter weight bullets?
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